<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app">
        <h1>差值表达式</h1>
        <h3>{{count}}</h3>
        <h3>{{msg}}</h3>
        <h1>v-text</h1>
        <div v-text="msg"></div>
        <h1>v-modal</h1>
        <input type="text" v-modal='msg'>
        <input type="text" v-modal='count'>
    </div>
</body>
<script src="./observe.js"></script>
<script src="./vue.js"></script>
<script>
  let m=  new Vue({
        el:'#app',
        data:{
            msg:'msg',
            count:100
        }
    })
    console.log(m)
</script>
</html>